GALLERY: Halloween goes to the game CALGARY, AB - OCTOBER 30: Montreal Canadiens fans cheer on their team in their halloween costumes during an NHL game at Scotiabank Saddledome on October 30, 2015 in Calgary, Alberta, Canada. (Photo by Derek Leung/Getty Images)Photo by: Derek Leung GALLERY: Halloween goes to the game DENVER, CO - OCTOBER 28: A pair of Denver Broncos fans wearing halloween costumes cheer and hold signs during a game between the Denver Broncos and the New Orleans Saints at Sports Authority Field Field at Mile High on October 28, 2012 in Denver, Colorado. The Broncos defeated the Saints 34-14. (Photo by Dustin Bradford/Getty Images)Photo by: Dustin Bradford GALLERY: Halloween goes to the game HOUSTON, TX - OCTOBER 30: A fan in a halloween costume before the game between the Houston Texans and the Detroit Lions at NRG Stadium on October 30, 2016 in Houston, Texas. (Photo by Thomas B. Shea/Getty Images)Photo by: Thomas B. Shea GALLERY: Halloween goes to the game MINNEAPOLIS, MN - OCTOBER 30: A fan supports the Minnesota Vikings during the game against the New England Patriots on October 30, 2006 at the Metrodome in Minneapolis, Minnesota. The Patriots won 31-7. (Photo by Stephen Dunn/Getty Images)Photo by: Stephen Dunn GALLERY: Halloween goes to the game CHICAGO - OCTOBER 31: A fan of the Chicago Bears dresses like a monster during the Halloween game against the San Francisco 49ers at Soldier Field on October 31, 2004 in Chicago, Illinois. The Bears defeated the 49ers 23-13. (Photo by Jonathan Daniel/Getty Images)Photo by: Jonathan Daniel GALLERY: Halloween goes to the game CHICAGO, IL - OCTOBER 31: LeBron James #23 of the Cleveland Cavaliers has "Happy Halloween" written on the side of his shoe during a game against the Chicago Bulls at the United Center on October 31, 2014 in Chicago, Illinois. The Cavaliers defeated the Bulls 114-108 in overtime. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Jonathan Daniel/Getty Images).Photo by: Jonathan Daniel GALLERY: Halloween goes to the game MIAMI GARDENS, FL - OCTOBER 12: Miami Dolphins fans in costume cheer in the stands as the Dolphins met the Green Bay Packers during a game at Sun Life Stadium on October 12, 2014 in Miami Gardens, Florida. (Photo by Mike Ehrmann/Getty Images)Photo by: Mike Ehrmann GALLERY: Halloween goes to the game PHILADELPHIA, PA - OCTOBER 31: A couple of fans dressed for Halloween react during the game between the Denver Nuggets and Philadelphia 76ers at the Wells Fargo Center on October 31, 2012 in Philadelphia, Pennsylvania. The 76ers won 84-75. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Drew Hallowell/Getty Images)Photo by: Drew Hallowell GALLERY: Halloween goes to the game PHILADELPHIA, PA - OCTOBER 30: A fan of the Philadelphia Eagles dresses for Halloween during a game against the Dallas Cowboys at Lincoln Financial Field on October 30, 2011 in Philadelphia, Pennsylvania. The Eagles defeated the Cowboys 34-7. (Photo by Rich Schultz /Getty Images)Photo by: Rich Schultz GALLERY: Halloween goes to the game BUFFALO, NY - OCTOBER 30: Fans dress up for Halloween at the New England Patriots and Buffalo Bills football game at New Era Field on October 30, 2016 in Buffalo, New York. (Photo by Tom Szczerbowski/Getty Images)Photo by: Tom Szczerbowski GALLERY: Halloween goes to the game LAS VEGAS, NV - OCTOBER 31: Members of the UNLV Rebels marching band perform in costumes before the team's game against the Boise State Broncos at Sam Boyd Stadium on October 31, 2015 in Las Vegas, Nevada. Boise State won 55-27. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller GALLERY: Halloween goes to the game STOKE ON TRENT, ENGLAND - OCTOBER 31: A fan parades in a Halloween fancy dress costume prior to the Premier League match between Stoke City and Swansea City at Bet365 Stadium on October 31, 2016 in Stoke on Trent, England. (Photo by Laurence Griffiths/Getty Images)Photo by: Laurence Griffiths GALLERY: Halloween goes to the game REGINA, SK - OCTOBER 19: A Saskatchewan Roughrider fan has his Halloween costume out early for the game between the Edmonton Eskimos and Saskatchewan Roughriders in week 17 of the 2014 CFL season at Mosaic Stadium on October 19, 2014 in Regina, Saskatchewan, Canada. (Photo by Brent Just/Getty Images)Photo by: Brent Just GALLERY: Halloween goes to the game SUNRISE, FL - OCTOBER 31: Florida Panthers fans watch the game against the Winnipeg Jets dressed in Halloween costumes on October 31, 2011 at the BankAtlantic Center in Sunrise, Florida. The Jets defeated the Panthers 4-3 in a shoot out. (Photo by Joel Auerbach/Getty Images)Photo by: Joel Auerbach GALLERY: Halloween goes to the game DENVER, CO - OCTOBER 27: Four Broncos fans dressed in halloween costumes laugh during a game between the Denver Broncos and the Washington Redskins at Sports Authority Field Field at Mile High on October 27, 2013 in Denver, Colorado. The Broncos beat the Redskins 45-21. (Photo by Dustin Bradford/Getty Images)Photo by: Dustin Bradford GALLERY: Halloween goes to the game KNOXVILLE, TN - OCTOBER 31: Fans dress up on Halloween during the game between the South Carolina Gamecocks and Tennessee Volunteers at Neyland Stadium on October 31, 2009 in Knoxville, Tennessee. (Photo by Streeter Lecka/Getty Images)Photo by: Streeter Lecka GALLERY: Halloween goes to the game 30 Oct 1994: TWO BUFFALO BILLS FANS ARE IN THE HALLOWEEN SPIRIT DURING THE CHIEFS VS BILLS GAME AT RICH STADIUM IN ORCHARD PARK, NY. THE BILLS BEAT THE CHIEFS 44-10.Photo by: Rick Stewart GALLERY: Halloween goes to the game STOKE ON TRENT, ENGLAND - OCTOBER 31: A Stoke City fan shows off his elaborate Halloween face paint during the Premier League match between Stoke City and Swansea City at Bet365 Stadium on October 31, 2016 in Stoke on Trent, England. (Photo by Laurence Griffiths/Getty Images)Photo by: Laurence Griffiths GALLERY: Halloween goes to the game LAS VEGAS, NV - OCTOBER 29: Members of the UNLV Rebels marching band dressed up for Halloween perform before the team's game against the Colorado State Rams at Sam Boyd Stadium October 29, 2011 in Las Vegas, Nevada. UNLV won 38-35. (Photo by Ethan Miller/Getty Images)Photo by: Ethan Miller GALLERY: Halloween goes to the game STOKE ON TRENT, ENGLAND - OCTOBER 31: Fans parade in Halloween fancy dress costumes prior to the Premier League match between Stoke City and Swansea City at Bet365 Stadium on October 31, 2016 in Stoke on Trent, England. (Photo by Michael Regan/Getty Images)Photo by: Michael Regan GALLERY: Halloween goes to the game MIAMI GARDENS, FL - OCTOBER 31: Fans pose for photographs on Halloween prior to the game between the Miami Dolphins and the Cincinnati Bengals at Sun Life Stadium on October 31, 2013 in Miami Gardens, Florida. (Photo by Chris Trotman/Getty Images)Photo by: Chris Trotman GALLERY: Halloween goes to the game FRISCO, TX - OCTOBER 28: FC Dallas fans show their halloween spirit during the second half of a soccer game against Chivas USA at Pizza Hut Park on October 28, 2012 in Frisco, Texas. The game ended in a 2-2 draw. (Photo by Brandon Wade/Getty Images)Photo by: Brandon Wade GALLERY: Halloween goes to the game JACKSONVILLE, FL - OCTOBER 31: Albert, the mascot for the Florida Gators holds a sign while in a Halloween costume during the game against the Georgia Bulldogs at EverBank Field on October 31, 2015 in Jacksonville, Florida. (Photo by Sam Greenwood/Getty Images)Photo by: Sam Greenwood GALLERY: Halloween goes to the game HOUSTON, TX - OCTOBER 30: NFL fans, (L-R) Amy and Donnie Eason dress for Halloween before a game between the Jacksonville Jaguars and the Houston Texans at Reliant Stadium on October 30, 2011 in Houston, Texas. (Photo by Ronald Martinez/Getty Images)Photo by: Ronald Martinez GALLERY: Halloween goes to the game SALT LAKE CITY, UT - OCTOBER 31: "Swoop" the Utah Utes mascot, dressed as "Batman" for Halloween, cheers during the game between the Oregon State Beavers and the Utes at Rice-Eccles Stadium on October 31, 2015 in Salt Lake City, Utah. (Photo by Gene Sweeney Jr/Getty Images)Photo by: Gene Sweeney Jr. GALLERY: Halloween goes to the game STOKE ON TRENT, ENGLAND - OCTOBER 31: A fan parades in a Halloween fancy dress costume prior to the Premier League match between Stoke City and Swansea City at Bet365 Stadium on October 31, 2016 in Stoke on Trent, England. (Photo by Michael Regan/Getty Images)Photo by: Michael Regan GALLERY: Halloween goes to the game NEW ORLEANS - OCTOBER 31: Fans dress in halloween costumes during the New Orleans Saints versus Pittsburgh Steelers game at Louisiana Superdome on October 31, 2010 in New Orleans, Louisiana. The Saints won 20-10 over the Steelers. (Photo by Karl Walter/Getty Images)Photo by: Karl Walter